codeine phosphate is used to relieve mild to moderate pain, coughing and diarrhoea. It is an opioidanalgesic, sometimes known as a painkiller. It is used to relieve pain by mimicking the action of endorphins which are pain-reducing chemicals that occur naturally in the body. Codeine is an opioid analgesic (pain reliever) drug used to treat many causes of mild to moderate pain. Codeine phosphate is available in generic form. The full name, and the term most commonly searched for when having been prescribed this drug, is Codeine Phosphate. It sometimes is prescribed with various combinations of other drugs, including paracetemol (when combined becomes co codamol), Tylenol, Aspirin and Ibuprofen. It is known to develop dependence, and a sudden stop of using this medication can result in withdrawal symptoms. Consult with your physician to reduce and lessen the risk this will happen.